Prof Travers believes the party would likely encounter challenges similar to those it is currently facing in councils were it to win the keys to Number 10.
It has previously promised tax cuts, and an overhaul of government spending to increase efficiency, echoing its programme for local government.
Already there are signs they are realising what is realistic, and what is not.
Earlier this week Farage rowed back on his party's previous promise to deliver tax cuts worth £90bn a year.
"Substantial tax cuts" are not currently "realistic" because of the "dire state" of the public finances, he said, proposing instead "relatively modest" changes, such as raising tax thresholds and scrapping inheritance tax for family-run businesses.
"The truth is, the constraints of real government would be just as real if they got in at Westminster," Prof Travers says.
"Could you really cut benefits for millions of people? It's not that easy… So all of this is the kind of local version of the fact that even political parties who attempt to cut or reduce NHS spending, find themselves increasing it. It's just a local version of that."
Ben Ramanauskas, a senior research fellow in economics at the right-leaning think tank Policy Exchange, argues that Reform's instinct to look to cut back waste is right – despite the challenges.
"Definitely, any party should be looking for efficiency savings," he says. "This is taxpayers' money being spent and the priority has to be essential public services. There are examples of where there is some waste going on.
"But it is a very tough job for local authorities and councillors," he adds. "And I think any party in that position would possibly struggle, given just how our system operates."
He argues it will be easier to "scale up" savings at a national level, with the ability to pull all the levers of power.